#include <stdio.h>

int main()
{
  int num = 20;
  int *p = &num;
  int *t;
  *t = *p;
  printf("&p---->point:[%p],value:%d\n", &p, p);
  printf("&t---->point:[%p],value:%d\n", &t, t);
  printf("&num---->point:[%p],value:%d\n", &num, num);
  return 0;
}